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Learn about Neptune, the eighth and most distant planet from the Sun, with facts, images, and stories. Find out how Neptune was discovered, what it's made of, how many moons it has, and more.
- Neptune: Facts
Dark, cold and whipped by supersonic winds, ice giant...
- Neptune
All About Neptune. Neptune is dark, cold, and very windy....
- Neptune: Facts
Learn about Neptune, the eighth and most distant planet in our solar system. Find out about its size, orbit, moons, rings, atmosphere, and more.
May 3, 2024 · Neptune, third most massive planet of the solar system and the eighth and outermost planet from the Sun. Because of its great distance from Earth, it cannot be seen with the unaided eye. With a small telescope, it appears as a tiny, faint blue-green disk. It is designated by the symbol ♆.
- When was Neptune discovered?Neptune was discovered on September 23, 1846. It is the second planet to be found using a telescope. Although Johann Gottfried Galle and Heinrich L...
- How many moons does Neptune have?Neptune has 14 moons (natural satellites). Before Voyager 2's flyby of the planet, Neptune's only known moons were Triton and Nereid. Neptune's moo...
- What gases are present in Neptune's atmosphere?Neptune’s outer atmosphere is composed predominantly of hydrogen and helium, contributing to 98 percent of the atmospheric molecules. Most of the r...
- Can Neptune be seen without a telescope?Neptune is the only giant planet that is not visible without a telescope. It has an apparent magnitude of 7.8 and is approximately one-fifth as bri...
- What is the color of Neptune?Neptune’s color is a very vivid, bright blue, presumably an effect of the presence of methane and an unidentified atmospheric gas. With a small tel...
Learn about Neptune, the eighth and most distant planet in our solar system. Find out about its size, orbit, moons, rings, atmosphere, and more.
- Structure and Surface
- Time on Neptune
- Neptune's Neighbors
- Quick History
- What Does Neptune Look like?
- GeneratedCaptionsTabForHeroSec
Neptune is encircled by six rings.Neptune, like Uranus, is an ice giant. It’s similar to a gas giant. It is made of a thick soup of water, ammonia, and methane flowing over a solid core about the size of Earth.Neptune has a thick, windy atmosphere.One day on Neptune goes by in 16 hours.Neptune has such a long journey around the Sun it takes 165 Earth years to go around once. That’s a long year!Neptune has 16 moons.Neptune is the eighth and most distant planet from the Sun. That means Uranus is Neptune’s only neighboring planet.Neptune was discovered in 1846 by Urbain Le Verrier, John Couch Adams, and Johann Galle.Only Voyager 2 has visited Neptune.Voyager 2 took this picture of Neptune in 1989. Clouds streak across Neptune. Neptune is a very cold, windy world.
Learn about Neptune, the last and darkest planet in our solar system. Find out how it's similar to Uranus, how long it takes to orbit the sun, and what its rings and moons look like.
Learn about Neptune, the outermost planet in our solar system, from its atmosphere to its moons to its rings. Find out how Voyager 2 visited Neptune, what we discovered, and what we still need to know.
Mar 28, 2019 · Learn about the blue planet's orbit, weather, moons, rings, and history in this article. Find out how Neptune was discovered, what makes it so windy and cold, and why it's the only planet that can't be seen without a telescope.
